常見(jiàn)例句雙語(yǔ)例句Trends in arithmetical average incomes and median household incomes have differed in the US for a variety of reasons.在美國(guó)，數(shù)學(xué)計(jì)算的平均收入趨勢(shì)和家庭收入中位數(shù)的趨勢(shì)截然不同，原因是多種多樣的。 返回 arithmetical average